JPH0522637Y2 - - Google Patents
Info
- Publication number
- JPH0522637Y2 JPH0522637Y2 JP17258987U JP17258987U JPH0522637Y2 JP H0522637 Y2 JPH0522637 Y2 JP H0522637Y2 JP 17258987 U JP17258987 U JP 17258987U JP 17258987 U JP17258987 U JP 17258987U JP H0522637 Y2 JPH0522637 Y2 JP H0522637Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- ladder
- main body
- receiving frame
- fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17258987U JPH0522637Y2 (enEXAMPLES) | 1987-11-11 | 1987-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17258987U JPH0522637Y2 (enEXAMPLES) | 1987-11-11 | 1987-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0177000U JPH0177000U (enEXAMPLES) | 1989-05-24 |
| JPH0522637Y2 true JPH0522637Y2 (enEXAMPLES) | 1993-06-10 |
Family
ID=31464554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17258987U Expired - Lifetime JPH0522637Y2 (enEXAMPLES) | 1987-11-11 | 1987-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522637Y2 (enEXAMPLES) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6975455B2 (ja) * | 2018-01-17 | 2021-12-01 | 阿南電機株式会社 | マンホール用安全柵装置 |
-
1987
- 1987-11-11 JP JP17258987U patent/JPH0522637Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0177000U (enEXAMPLES) | 1989-05-24 |
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